What time is 01:39?

Convert 01:39 to 12-hour AM/PM format



01:39 = 1:39 AM

01:39 on a 24-hour clock is is 1:39 AM on a 12-hour clock. This system is used throughout the world (not just the military) and leverages a 24-hour time clock rather than the 12-hour AM/PM system known to most English speaking countries. Below are ways to convert 01:39 through a time chart, automated converter, and how to convert the 24 hour clock into a 12-hour AM/PM system by hand.

24-hour format 12-hour format
01:39 1:39 AM

01:39 Time Conversion Chart

24 Hour Clock 12 Hour Clock (AM/PM) Military Time
01:39 1:39 0139
01:44 1:44 0144
01:49 1:49 0149
01:54 1:54 0154
01:59 1:59 0159
02:04 2:04 0204
02:09 2:09 0209
02:14 2:14 0214
02:19 2:19 0219
02:24 2:24 0224
02:29 2:29 0229
02:34 2:34 0234
02:39 2:39 0239
02:44 2:44 0244
02:49 2:49 0249
02:54 2:54 0254

How to convert 01:39 from 24-Hour Time to 12-Hour Standard Time

It is easy to convert from 24-hour time to 12-hour time once you know a few tricks. The primary difference between the two is that the hours in a 24 hour clock go all the way up to 23 (from 0 to 23). In a 12-hour clock, the hour resets to 1 after noon (midday). Follow the steps below to convert 01:39 to 12-hour time.

  1. First, determine whether or not 1 is greater than 12 (recall that this is one of the distinctions of the 12-hour clock, there are no hours "greater" than 12 on it)
  2. Since 1 is lower than 12, there isn't much to do! We can just add the "AM" designation to the end of the time: 1:39 AM